Justin Le Ren, MD
Family Medicine Physician · San Francisco, CA
Justin Le Ren, MD is a family medicine physician with a practice address in San Francisco, California, and NPI 1073193413, issued on Apr 9, 2021. Check the license (California A197759, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Justin Le Ren
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- A197759 CA
Self-reported in NPPES; status is on the state search - Practice location
- 185 Berry St, San Francisco, CA 94107
- Phone
- (714) 743-9622
- Enumerated
- Apr 9, 2021
- Record last updated
- Jan 23, 2025
- Medicare enrollment
- Enrolled (PECOS I20240919002013); accepts Medicare assignment
- Medical or professional school
- Tulane University School Of Medicine, 2021
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →
Also registered at 185 Berry St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Justin Le Ren in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A197759Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
83% fewer Medicare Part D claims than the average family medicine physician in 2024
610 Medicare Part D claims for 78 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 16% of claims.
Most prescribed
- Atorvastatin Calcium37 claims
- Gabapentin36 claims
- Amlodipine Besylate30 claims
- Omeprazole22 claims
- Metformin Hcl20 claims
- Pantoprazole Sodium18 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $14.17
1 payment: food and beverage; the largest payer was Exact Sciences Corporation. The 55,478 providers of this specialty with any payment received $902.55 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Ucsf Medical Group Business ServicesSan Francisco, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Justin Le Ren among 17,133 family medicine physician records in California
Justin Le Ren, MD is one of 17,133 family medicine physician records with a practice address in California. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 91% of them.
- NPI issued2021 · 91% of these records are older, 6% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated2021 · median 2005 among the 10,652 with a school on file
- Record last updated2025 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Family Medicine Physician providers in California
There are 17,133 family medicine physician records in California.
All 17,133 in California → Every provider in San Francisco → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Kevin Barrows, M.D.San Francisco, CA 941071124134820
- Malini Dandu, M.D.San Francisco, CA 941071588828537
- Allison Devers, MDSan Francisco, CA 941071144308263
- Michael Drennan, MDSan Francisco, CA 941071811029846
- Lakisha Garduno, M.D.San Francisco, CA 941071548556020
- Joseph Goldenson, MDSan Francisco, CA 941071174650162
- Laura Kaplan-Weisman, MDSan Francisco, CA 941071215228861
- Brendan Levy, M.D.San Francisco, CA 941071811208044
Common questions
What is Justin Le Ren, MD's NPI number?
Justin Le Ren, MD's National Provider Identifier (NPI) is 1073193413, issued on Apr 9, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Justin Le Ren, MD located?
The NPPES record lists a practice address at 185 Berry St, San Francisco, CA, 94107. Phone: (714) 743-9622. Providers update this record themselves, so call before visiting.
How can I verify Justin Le Ren, MD's license?
NPPES lists California license number A197759, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Justin Le Ren, MD prescribe under Medicare Part D?
In 2024, Justin Le Ren, MD had 610 Medicare Part D claims for 78 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.